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🧠 Cognitive & Neurological Peptides

7 peptides — click any to see full dosing guide, side effects, and warnings

⚠️ Educational purposes only. Always consult a licensed healthcare provider.
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Semax
Synthetic peptide derived from ACTH. Potent nootropic with neuroprotective and cognitive-enhancing properties.
Half-life: ~7–8 minutes (very short — intranasal delivery allows direct CNS uptake)View Guide →
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Selank
Synthetic anxiolytic peptide. Anti-anxiety effects without sedation or dependence. Cognitive enhancer.
Half-life: ~1 minute (metabolizes rapidly — intranasal preferred)View Guide →
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Cerebrolysin
Peptide mixture derived from pig brain proteins. Neuroprotective and neurotrophic properties.
Half-life: Variable — peptide mixture with complex pharmacokinetics.View Guide →
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Dihexa
Potent cognitive enhancer derived from angiotensin IV. Promotes synaptogenesis — new neural connections.
Half-life: Long-acting — days to weeks due to high lipophilicity.View Guide →
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P21
CNTF-derived peptide. Promotes neurogenesis and cognitive enhancement without stimulant effects.
Half-life: Short plasma half-life; CNS effects persist.View Guide →
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NAP (ADNP Fragment)
8-amino acid neuroprotective peptide fragment of ADNP protein. Potent neuroprotection at femtomolar doses.
Half-life: Short — cleared rapidly from plasma.View Guide →
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N-Acetyl Selank Amidate
Modified version of Selank with improved stability and bioavailability. Enhanced anxiolytic-nootropic profile.
Half-life: Slightly longer than standard Selank due to modifications.View Guide →
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